Circular Plastic Container Locking Structure

Abstract

A circular plastic container locking mechanism includes a barrel body and a barrel cover; when the barrel body is stationary, the gear handle drives the gear to rotate towards a counter-clockwise direction, and with the rotating function of the gear, the rack on the barrel cover and the whole barrel cover are driven to move towards a clockwise direction, ten times the force for locking the barrel body and the barrel cover up and down can be produced with only a small amount of force by utilizing the lever effect of the gear handle and the effect of thread slope movement on the gear to lock the barrel cover and the barrel body; when the gear handle swings towards the clockwise direction, the barrel cover moves towards the counter-clockwise direction, and then the barrel cover is unlocked; and therefore locking and unlocking are very convenient.

1 . A circular plastic container locking mechanism, comprising a barrel body and a barrel cover and characterized in that: a plurality of raised barrel cover threaded strips are arranged on the inner side of the barrel cover, a rack is arranged on a surface, connected with the barrel body, on the barrel cover, a plurality of raised barrel body threaded strips are arranged on the outer-side periphery of an edge opening of the barrel body, the barrel cover threaded strips are matched with the barrel body threaded strips, a set of gear is arranged on the edge of an upper opening of the barrel body, a gear-fixing central shaft is arranged in the gear, and the gear is connected with a gear handle. 
     
     
         2 . The circular plastic container locking mechanism of  claim 1 , characterized in that: a circle of groove is formed in the inner side of the periphery of the barrel cover, and the groove of the barrel cover can be matched and fitted with the edge opening of the barrel body. 
     
     
         3 . The circular plastic container locking mechanism of  claim 1 , characterized in that: the barrel cover threaded strips are a plurality of slightly inclined raised square threads distributed at equal distances. 
     
     
         4 . The circular plastic container locking mechanism of  claim 3 , characterized in that: the distribution condition of the barrel body threaded strips is the same as that of the barrel cover threaded strips, and the angles and directions of slopes of the barrel body threaded strips are the same as those of slopes of the barrel cover threaded strips. 
     
     
         5 . The circular plastic container locking mechanism of  claim 3 , characterized in that: two sides of the gear are provided with a left fastener and a right fastener which are used for fixing the gear handle.